Oh ! Btw , with all this talk about the pipe.... I forgot ! I was able to get it out today for a bit of a run. Even with the old pipe...... the bike sure feels like it has bit more twork Finding it even harder to keep from bouncing off the limiter ....gonna have to relearn how to shift this bike, or do something about that ! She likes to rev

The top of the header... port side... with flange cut off showing the small inner tube, and expansion chamber. The smaller tube is also restriction for the O2 sensor...so it can get a good read on things. As predicted by ScooterBob. And trying out different flange arrangements for the new pipe....